The Normal State of The photochromic Film is Transparent. When Sunlight Hits The Surface of The Film, it Will Turn Black to Reduce Sunlight Damage to The Eyes.(Size 11 * 8inch)

Discoloration: The color deepens with the intensity of sunlight, better protecting eyes. Self-adhesive type: can be pasted on the original glass surface without any impact on the original glass. Laminated type: can be sandwiched between two pieces of glass. Application: used in automobiles, high-speed rail, glass curtain walls, etc.. If you have more needs, please contact our customer service